If you follow Alessandra Ambrosio's yellow-and-green-accented Instagram, you know she's a die-hard Brazil soccer fan. And if you follow the World Cup, you know she's probably still crying over Brazil's spectacular loss to Germany. We...

You want to work out with the hottest Spinning instructor in New York City or the coolest choreographer in Los Angeles? Then join the waiting list. These cult trainers are inspiring true fitness obsessions.

She put up with your angst-y teenage phase, took you shopping for your first bra, and performed damage control after you cut your own bangs. Although she still has that handmade macaroni necklace, this year, show Mom your appreciation with one of these beauty presents she'll love and use.